package ssm.dao.impl;

import ssm.dao.Search;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class CommandSearch implements Search {
    /**
     * 命令模式
     *
     * @param conn
     * @param rs
     * @param rowsNumber
     * @throws SQLException
     */
    @Override
    public void check(Connection conn, ResultSet rs, int rowsNumber) throws SQLException {
        int count=0;
        for (int i = 1; i <= rowsNumber; i++) {
            rs.absolute(i);
            String rel_type = rs.getString("RelationType");
            if (rel_type.equalsIgnoreCase("aggregation")) {

                String s1 = rs.getString("SourceClass");
                String d1 = rs.getString("DestinationClass");


                for (int j = 1; j <= rowsNumber; j++) {
                    rs.absolute(j);
                    String rel_type2 = rs.getString("RelationType");
                    if (rel_type2.equalsIgnoreCase("INHERITANCE")) {

                        String s2 = rs.getString("SourceClass");
                        String d2 = rs.getString("DestinationClass");
                        if (d1.equalsIgnoreCase(d2)) {

                            for (int k = 1; k <= rowsNumber; k++)
                                rs.absolute(k);
                            String rel_type3 = rs.getString("RelationType");
                            if (rel_type3.equalsIgnoreCase("aggregation")) {

                                String s3 = rs.getString("SourceClass");
                                String d3 = rs.getString("DestinationClass");
                                if (s3.equalsIgnoreCase(s2) && !(s3.equalsIgnoreCase(s1)) && !(d3.equalsIgnoreCase(s1))) {

                                    String sql2 = "INSERT INTO designs.command_instances  (Invoker    ,Command    ,ConcreteCommand ,Receiver ) VALUES (?,?,?,?)";
                                    PreparedStatement stmt2 = conn.prepareStatement(sql2);

                                    stmt2.setString(1, s1);
                                    stmt2.setString(2, d1);
                                    stmt2.setString(3, s2);
                                    stmt2.setString(4, d3);

                                    int rows2 = stmt2.executeUpdate();
                                    count+=rows2;
                                }
                            }
                        }
                    }
                }
            }
        }
        System.out.println("found " + count + " Command");
    }
}

